ThePipingMart Blog Grades AMS 5682 Nichrome V – Composition , Properties and Uses

AMS 5682 Nichrome V – Composition , Properties and Uses

AMS 5682

AMS 5682 is an essential material used in various industries due to its exceptional physical and mechanical properties. From aerospace to automotive industries, AMS 5682 is a go-to material for its high strength and durability. This blog will explore the composition, physical and mechanical properties, uses, hardness, and heat treatment of AMS 5682. This article aims to unravel the mystery behind the performance of this alloy and provide detailed knowledge about AMS 5682.

What is AMS 5682?

AMS 5682 is a Nichrome Alloy with excellent corrosion resistance and high-temperature strength. It offers good weldability and ductility, making it the ideal choice for various chemical and petrochemical industries, marine environments, pumps, valves and actuators applications.

AMS 5682 Composition

AMS 5682 is a high-performance nickel alloy that contains 60% nickel, 16% cobalt, 10% chromium, and 8% molybdenum. It also has trace amounts of carbon, tungsten, and iron. The alloy’s composition gives it outstanding strength, high resistance to corrosion, and excellent creep resistance at high temperatures.

AMS 5682 Physical Properties

AMS 5682 has excellent physical properties, making it exceptionally useful in harsh working environments. The material has a density of approximately 8.44 g/cm³ and a melting point of 1300-1370°C. The alloy also has a coefficient of expansion of 13.34 µm/m°C at 20°C, which means it will expand approximately 13.34 micrometres per meter of length per degree Celsius of temperature change.

AMS 5682 Mechanical Properties

AMS 5682 has fantastic mechanical properties, making it a strong and durable alloy. At room temperature, the material has a yield strength of 121 ksi (kilopounds per square inch) and a tensile strength of 143 ksi. Moreover, the alloy can withstand high-temperature environments, and its creep strength is exceptional at temperatures up to 946°C. The fatigue strength of this alloy is also excellent.

AMS 5682 Uses

Due to its unique properties and excellent strength, AMS 5682 is used in various industries. Some industries that use this alloy include aerospace, power generation, nuclear engineering, automotive, and marine applications. In the aerospace industry, AMS 5682 creates engine components, turbine blades, and exhaust systems. It is also used in nuclear reactors due to its resistance to high-temperature and corrosive environments.

AMS 5682 Hardness

AMS 5682 has an excellent hardness range, making it exceptional for various applications. Typically, the alloy has a hardness range of 37-45 HRc (Rockwell hardness scale C). The high-strength hardness of AMS 5682 makes it ideally suited for use in applications requiring high wear and tear resistance.

AMS 5682 Heat treatment

Thermal treatment is essential to improve the properties of AMS 5682. This alloy can be heat-treated using various methods such as annealing, solution treatment, and precipitation hardening. Annealing the alloy improves its elasticity, while solution heat treatment changes its microstructure to improve its hardness. Precipitation hardening is used to increase its strength and corrosion resistance.


AMS 5682 is a top-performing nickel alloy with high strength, durability, and resistance to harsh environments. Its unique physical and mechanical composition makes it useful in various industries, including aerospace, automotive, nuclear engineering, etc. Knowing the properties of AMS 5682 is essential for exploiting its full potential, and heat treatment is crucial for enhancing its properties. This alloy’s incredible hardness range and excellent mechanical properties make it an exceptional material for high-stress applications. By understanding and utilizing the properties of AMS 5682, one can create products that can withstand challenging environments and provide long-lasting performance.

Related Post